29. One learns a language by making mistakes and ______them.

　 A. correct　　 B. correcting　 C. corrects　 D. to correct

28. I don’t think it will be _____they find the value of my suggestion.

　 A. long before　 B. long after　 C. before long　　 D. long until

27. ---The beautiful flowers _____because of lack of (缺少)water.

　 ---Yes, we have to do something to save it .

　 A. have died　 B. had died　 C. are dead　 D. are dying

26. He looks very tired. He _____ to bed too late last night.

　 A. must go　 B. must have gone　 C. could go　 　D. didn’t go

25. The book we were interested in ______two days ago.

　 A. publishing　　 B. publish　　 C. published　　 D. has published

24. “Do you like English or Chinese ?” she asked.

　　 She asked ____________English or Chinese.

A. if do I like　　 B. whether I liked

　　 C. if did I liked　　 D. whether did I liked

23. ---Tom doesn’t know about computers.

　 ---______________.

A. So he did　 B. So does Mary　　 C. Neither do I　 D. Nor will Mary

22.---I am very thirsty, could I have these fruits?

　 --- Of course ! ___________.

A. You are welcome　　　　 B. Make yourself at home

C. Eat them　　　　　　　　 D. Take them away

第一节　 单项填空(共15小题：每小题1分，满分15分)

21. ---_______will you finish drawing the picture ?

　 ---_______a minute.

A. How long , After　　　　　　　 B. How soon, After　

C. How soon , In　　　　　　　　 D. How long, For